一种隔水管疲劳参数低功耗遥测方法  

Telemetry Method with Low Power Consumption for Marine Riser Fatigue Monitoring

作　　者：李保军[1] 王海燕[1] 申晓红[1] 赵瑞琴[1] 

机构地区：[1]西北工业大学航海学院,陕西西安710072

出　　处：《计算机测量与控制》2012年第5期1211-1213,共3页Computer Measurement &Control

基　　金：国家自然科学基金(60972153);教育部博士点基金(20106102120013);西工大基础研究基金(NPU-FFR-JC201004)

摘　　要：针对深水隔水管疲劳监测问题,提出一种低功耗遥测方法;研究了3000m水深环境下,基于最优中继的隔水管疲劳遥测方案;利用水声信道特性,研究了疲劳信息多跳传输机制,监测系统总功耗是单跳链路距离的凹函数,其存在一个最小值;功耗最小值对应的链路距离即为最优中继距离;当链路距离从100m到1500m变化时,做了仿真试验;仿真结果证明,与既有方法相比,所研究的方法能极大的降低隔水管疲劳监测的功耗,提高隔水管疲劳监测设备的工作寿命。A telemetry method with low power consumption is proposed, in this paper, to work out the issue about marine riser fatigue monitoring in deep water. Marine riser fatigue telemetry monitoring program based on the optimal relay is researched under deep water with 3000rn depth circumstances. Fatigue data Multi--Hop transmit mechanism is studied account to the underwater acoustic channel features, as a result, total power consumption of fatigue monitoring system is the concave function, which exists a minimum, of the link distance of single hop. The link distance, namely the optimal relay distance, corresponds to the minimum of power consumption. One test has been done when the link distance varied from 100m to 1.5kin. The simulation results indicate that the telemetry method proposed in this paper, compared with the existing method, can reduce power consumption of fatigue monitoring system tremendously, and enhance the lifetime of marine riser fatigue monitoring equipment.

关 键 词：隔水管疲劳 遥测 最优中继 低功耗 

分 类 号：TH873.7[机械工程—仪器科学与技术]